Modelo de simulación con pérdidas y estrategia de control PID para el convertidor Buck

Camilo Andrés Sanabria Totaitive; Mónica Lorena Martin Ortiz; Joaquin Campuzano; Wilson Javier Pérez Holguín

doi:10.24054/rcta.v2i22.1918

Authors

Camilo Andrés Sanabria Totaitive Universidad Pedagógica y Tecnológica de Colombia UPTC
Mónica Lorena Martin Ortiz Universidad Pedagógica y Tecnológica de Colombia UPTC
Joaquin Campuzano Universidad Pedagógica y Tecnológica de Colombia UPTC
Wilson Javier Pérez Holguín Universidad Pedagógica y Tecnológica de Colombia UPTC

DOI:

https://doi.org/10.24054/rcta.v2i22.1918

Keywords:

Buck converter, PID controller, modeling and simulation

Abstract

This paper presents a canonical model for the Buck converter taking into account the losses of the switching devices in the circuit (diode and mosfet) and the coil resistance. Moreover, a comparison between the simulations of the standard semiconductor-based model and the proposed model is presented. In the proposed model, the switching devices are replaced by dependent sources. Obtained results are based on simulations of the target models, which are controlled by mean a PID controller aimed to improve the output voltage regulation for changes in the load and the power supply. For the controller design, parameters of a Microchip dsPICDEM development board are used.

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